national and regional weather, here's nbc meteorologist bill karins with your weather channel forecast. good morning to you, some parts of the west are lucky to be as far away as -- >> you're going to upset people. >> some people want to be warm. >> well, some people don't want to be in the 110-degree heat. >> i know. there's not too much perfect weather out there today, lynn, good morning, everyone. today the temperature in memphis, will probably be about 115 with the heat index. the temperature in coastal california, around san francisco, will probably be half of that. so just kind of a lot of extremes out there today in this weather pattern. the big, huge trough on the west coast, a little unusual for this time of year has got the marine influence along the coast, it's keeping everyone cool, even a few showers, while everyone else, this will be one of the hottest days of the year throughout much of the east. i put out our enhanced satellite. you can see where the trough is in here. and it continues to spin just off the coast. all of these clouds, you see them off the shoreline.